Liquid CO2 refilling device



FIG. 1 is a perspective view;

FIG. 2 is a side view;

FIG. 3 is an opposite side view;

FIG. 4 is a front view;

FIG. 5 is a back view;

FIG. 6 is a top view; and,

FIG. 7 is a bottom view.

The ornamental design for a liquid CO₂ refilling device, as shown.